Embroidery machine head suitable for high-speed embroidery

Abstract

An embroidery machine head suitable for high-speed embroidery comprises a machine shell and a needle bar frame, wherein the needle bar frame is connected to the machine shell in a sliding mode and canslide horizontally, a take-up lever, a needle bar, a presser foot shaft and a presser foot are arranged on the needle bar frame, a main shaft, a needle rod driving mechanism used for driving a needlerod, a presser foot driving mechanism used for driving the presser foot shaft and a take-up driving mechanism used for driving the take-up lever are arranged on the machine shell, and a clutch mechanism, a clutch driving mechanism, an input transmission shaft and an output transmission shaft are further arranged on the machine shell. On the basis of a traditional framework that the main shaft drives a machine head, comprehensive and perfect improvement and adaptation are conducted, so that all the components are organically combined into a whole, the universality and stability are excellent,various embroidery function requirements are met, the embroidery quality is good, and the embroidery machine head is worthy of application and popularization in the field.

Description

technical field [0001] The invention relates to the technical field of embroidery machines, in particular to an embroidery machine head suitable for high-speed embroidery. Background technique [0002] The computerized embroidery machine head is an important part to realize needle bar embroidery, presser foot pressing cloth, hook knife hook thread, thread take-up lever thread take-up and other actions. At present, the embroidery machine has certain defects due to its old structure and lack of innovation. Basically, it is The main shaft drives all the machine heads to run, and the transmission structure in each machine head is mainly in the form of grooved cams and multi-links. This structure has the disadvantages of heavy load on the main shaft, high noise, unstable operation, and single control of the machine head. 1. It is difficult to achieve high-speed embroidery well (usually the spindle speed is 1200r / min and above can be regarded as high speed), how to improve the exi...

AI Technical Summary

Problems solved by technology

[0002] The computerized embroidery machine head is an important part to realize needle bar embroidery, presser foot pressing cloth, hook knife hook thread, thread take-up lever thread take-up and other actions. At present, the embroidery machine has certain defects due to its old structure and lack of innovation. Basically, it is The main shaft drives all the machine heads to run, and the transmission structure in each machine head is mainly in the form of grooved cams and multi-links. This structure has the disadvantages of heavy load on the main shaft, high noise, unstable operation, and single control of the machine head. 1. It is difficult to achieve high-speed embroidery well (usually the spindle speed is 1200r / min and above can be regarded as high speed), how to improve the existing head structure so that the embroidery machine can ensure the internal stability of the head when the spindle runs at high speed. The running accuracy and stability of components has been a hot topic in the industry.

For example, a multi-head computerized embroidery machine and its control system disclosed in the patent document with the application number CN201110416866.7, it includes an embroidery machine workbench, an embroidery machine frame, a controller and several embroidery machines arranged on the embroidery machine frame. Machine head, the work table of the embroidery machine is provided with a main frame and a number of rotary hooks, the embroidery machine head includes a head box fixed on the frame of the embroidery machine, and a number of moving shafts of upper and lower parts are supported in the head box , the upper part of the head box is provided with a thread take-up lever, the head box is provided with a needle bar driving motor corresponding to the moving shaft of the upper and lower parts, and the head box is provided with a separate drive unit corresponding to the thread take-up lever The thread take-up rod drive motor of the thread take-up rod has been improved on the structure of the traditional machine head so that the machine head can work more stably at high speeds, and each machine head can also work independently to achieve However, this scheme only replaces the unified control of the main shaft by setting multiple independent drive motors and corresponding components in the machine head and makes separate control of the needle bar and thread take-up lever in the machine head. On the contrary, it makes the control framework of the traditional comparatively streamlined and mature spindle-driven machine head more complex and cumbersome. The size and space design of the machine head need to be greatly changed accordingly, so that the structure is relatively lacking in versatility and the input cost is also low. Greatly improved, and its actual improvement effect on machine operation is not ideal

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